The Math Monsters learn about estimation strategies when they help out at Aunt Two Lips' orchard. Visit a wildlife biologist who explains how estimation is used to track animal populations.

Originally released by Slim Goodbody, 2002. Streaming video file encoded with permission for digital streaming by Infobase on April 18, 2015.

Math Monsters-Estimation (14:00); --sdfasf (0:06); -- fff (4:32); .